Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 17-09-2015 and time 17:50:05 (Italy) in region 6 km NE Roure (TO)

A magnitude ML 1.5 earthquake occured in region: 6 km NE Roure (TO), on

  • 17-09-2015 15:50:05 (UTC)
  • 17-09-2015 17:50:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0530, 7.1690 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Roure TO 6 848 848
Villar Focchiardo TO 8 2042 2890
San Giorio di Susa TO 9 1024 3914
Mattie TO 9 687 4601
Fenestrelle TO 9 544 5145
Bussoleno TO 10 6094 11239
Borgone Susa TO 10 2229 13468
Coazze TO 10 3287 16755
San Didero TO 10 551 17306
Sant'Antonino di Susa TO 10 4306 21612
Bruzolo TO 10 1524 23136
Perosa Argentina TO 11 3285 26421
Pomaretto TO 11 1009 27430
Chianocco TO 11 1675 29105
Vaie TO 11 1458 30563
Meana di Susa TO 11 826 31389
Usseaux TO 11 186 31575
Inverso Pinasca TO 12 730 32305
Pinasca TO 13 3051 35356
Mompantero TO 13 659 36015
Susa TO 13 6466 42481
Perrero TO 13 659 43140
Condove TO 13 4638 47778
Chiusa di San Michele TO 14 1647 49425
Massello TO 14 51 49476
Valgioie TO 14 951 50427
Gravere TO 14 692 51119
Giaveno TO 15 16455 67574
Caprie TO 15 2086 69660
Salza di Pinerolo TO 15 75 69735
Giaglione TO 16 631 70366
Villar Perosa TO 16 4092 74458
Sant'Ambrogio di Torino TO 16 4755 79213
Chiomonte TO 16 916 80129
Pramollo TO 17 258 80387
Venaus TO 17 907 81294
Cantalupa TO 18 2553 83847
Cumiana TO 18 7826 91673
San Germano Chisone TO 18 1854 93527
Pragelato TO 18 776 94303
Avigliana TO 18 12516 106819
Villar Dora TO 19 2932 109751
Roletto TO 19 2009 111760
Almese TO 19 6401 118161
Novalesa TO 19 534 118695
Exilles TO 19 273 118968
Frossasco TO 20 2864 121832
Rubiana TO 20 2400 124232
Trana TO 20 3877 128109
San Pietro Val Lemina TO 20 1448 129557
Porte TO 20 1083 130640

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Torino (890529 inhabitants)
41 Km W of Moncalieri (57294 inhabitants)
79 Km NW of Cuneo (56081 inhabitants)
83 Km W of Asti (76202 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.5 2015-09-17
15:50:05		 45.0528 7.1687 11 2016-02-19
13:21:47		 Bollettino Sismico Italiano INGV 21880301
Reviewed
Rev100 		ML 1.5 2015-09-17
15:50:05		 45.0493 7.1573 11 2015-09-17
15:58:59		 Sala Sismica INGV-Roma 21434161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-09-17 15:50:05 ± 0.15
Latitude 45.0528 ± 0.0072
Longitude 7.1687 ± 0.0153
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 21880301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1043
Semi-minor axis of confidence ellipse (meter) 836
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 0.92091
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 21880301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-10-20 09:53:08

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 21434161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-09-17 15:58:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2015-09-17T15:50:23.66 0.3 undecidable manual S 184 60.6948 90 -0.44 61
RD.ORIF.BHE. 2015-09-17T15:50:22.98 0.6 undecidable manual P 262 102.2199 90 0.38 40
GU.ENR.HHN. 2015-09-17T15:50:21.22 0.3 undecidable manual P 168 93.7395 90 -0.09 62
GU.REMY.HHZ. 2015-09-17T15:50:20.74 0.1 undecidable manual P 359 87.0462 90 0.47 82
MN.BNI.HHZ. 2015-09-17T15:50:17.37 0.6 undecidable manual S 270 38.4282 91 -0.78 38
GU.CIRO.HHZ. 2015-09-17T15:50:17.27 0.1 undecidable manual P 27 68.376 90 -0.12 87
GU.TRAV.HHZ. 2015-09-17T15:50:17.19 0.3 undecidable manual P 41 68.0763 90 -0.16 64
GU.PZZ.HHZ. 2015-09-17T15:50:16.55 0.3 undecidable manual P 184 60.6948 90 0.34 66
GU.BHB.HHZ. 2015-09-17T15:50:14.22 0.6 undecidable manual S 163 25.2525 92 -0.42 43
GU.LSD.HHZ. 2015-09-17T15:50:13.59 0.1 negative manual P 357 45.2214 91 -0.23 89
MN.BNI.HHZ. 2015-09-17T15:50:12.77 0.1 positive manual P 270 38.4282 91 -0.01 95
GU.RSP.HHZ. 2015-09-17T15:50:11.04 0.3 undecidable manual S 36 12.9759 107 -0.34 69
GU.BHB.HHZ. 2015-09-17T15:50:10.98 0.1 undecidable manual P 163 25.2525 92 0.23 97
GU.RSP.HHZ. 2015-09-17T15:50:09.03 0.1 negative manual P 36 12.9759 107 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.BNI.HHN. ML:0.9 0.000029049999999999998 1.54 AML other m 2015-09-17T15:50:19.27
MN.BNI.HHE. ML:0.8 0.000024500000000000003 1.58 AML other m 2015-09-17T15:51:24.22
GU.LSD.HHE. ML:1.5 0.00009769999999999999 1.1 AML other m 2015-09-17T15:50:19.60
GU.LSD.HHN. ML:1.4 0.00007845000000000001 0.28 AML other m 2015-09-17T15:50:19.47
GU.PZZ.HHN. ML:1.7 0.0001002 0.18 AML other m 2015-09-17T15:50:26.31
GU.PZZ.HHE. ML:1.6 0.00008515000000000001 1.46 AML other m 2015-09-17T15:50:25.21
GU.REMY.HHE. ML:1.4 0.000027575000000000003 1.58 AML other m 2015-09-17T15:50:26.82
GU.REMY.HHN. ML:1.5 0.000034099999999999995 1.58 AML other m 2015-09-17T15:51:35.15
GU.RSP.HHE. ML:1.7 0.0005304999999999999 0.12 AML other m 2015-09-17T15:50:11.09
GU.RSP.HHN. ML:1.6 0.0003915 0.26 AML other m 2015-09-17T15:50:11.29
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download